class Person06 {
	int age;
	public Person06(int a) {
		age = a;
	}
	public void speak() {
		System.out.println("I am " + age + " years old.!");
	}
}
public class Example06 { 
	public static void main(String[] args) {
		Person06 p = new Person06(20);
		p.speak();
	}
}
